OT-2026-000028320
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028320) never changes.
Identity and time
| Publication number | OT-2026-000028320 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-78ee-85f1-c04eaf60a87d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028320 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29bcdbf8352efa9b5f415dd92d342ec4ce0dcf50662b48f6b98e68d96c9663a0 |
|---|---|
| Markdown | 258c2477bdbe05e4a9992f20d0fe5038df59fc28a59d9f41312b4f58b65f2591 |
| Publication page | 028631e5d20ad1408af3bcb15561df39fcfee4f10017f610a7ee7229f651a681 |
| Manifest | 8cae1ac5d85bf5325fef567b25322d1ce508553a6531b727e45b460b87655651 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | kAt8t18u7srSc38KWp97J4Wn9fqnaVqZkUf1p3nZUFTe8AG4TLY5SCYfD4vZhlgT4jbZAEKkMhndm6O8px8zAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:19.163588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028320observed 028631e5d20ad1408af3bcb15561df39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:19.147897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028320/manifest.jsonobserved 8cae1ac5d85bf5325fef567b25322d1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.131715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028320/publication.mdobserved 258c2477bdbe05e4a9992f20d0fe5038...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:19.112536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028320/publication.txtobserved 29bcdbf8352efa9b5f415dd92d342ec4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|